PT-2026-1889 · Tribulant · Newsletters+1

Published 2026-01-08 · Updated 2026-01-08 · CVE-2025-67911

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Tribulant Software Newsletters versions prior to 4.11

Description An issue exists in Tribulant Software Newsletters newsletters-lite related to the deserialization of untrusted data, which allows for object injection.

Recommendations Update to a version newer than 4.11.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2025-67911

Affected Products

Newsletters

Newsletters-Lite

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2025-67911 · Security Note
• https://twitter.com/CVEnew/status/2009194584501371309 · Twitter Post
• https://vdp.patchstack.com/database/Wordpress/Plugin/newsletters-lite/vulnerability/wordpress-newsletters-plugin-4-11-php-object-injection-vulnerability?_s_id=cve · Note
• https://patchstack.com/database/Wordpress/Plugin/newsletters-lite/vulnerability/wordpress-newsletters-plugin-4-11-php-object-injection-vulnerability?_s_id=cve · Note